Flutter 蜂窝检索非基元数据类型列表

我有一个注册的EventAdpator，它保存着我的事件数据.我正在从API读取数据并存储在配置单元中.

我的Hive函数是这样的

class HiveEvents { 
  static final eventsBox = Hive.box("eventsbox");

  static addEvent(Map data) {
    eventsBox.add(data);
  }

  static addEvents(List<Event> data) {
    eventsBox.addAll(data);
  }

  static List<Event> getAllEvents() {
    final data = eventsBox.keys.map((key) {
      final value = eventsBox.get(key);
      return value;  
    }).toList();

    return data;    // A value of type 'List<dynamic>' can't be returned from the method 'getAllEvents' because it has a return type of 'List<Event>'.
  }
}

以前，数据是这样写入配置单元的.

final Uri url = Uri.https(authority,path, queryParameters);
final http.Response result = await http.get(url);

if (result.statusCode == HttpStatus.ok) {
  final jsonResponse = jsonDecode(result.body);
  final eventData = jsonResponse["events"];
  
  List<Event> events =
      eventData.map<Event>((i) =>
        Event.fromJson(i)).toList();

      HiveEvents.addEvents(events);

      return events;
} else {
  return [];
}

当try 从getAllEvents返回数据时，显示此错误，我不确定如何更正它.

无法从该方法返回类型为‘List’的值 "getAllEvents"，因为它的返回类型为"List"